seamless contour pattern. hand-drawn prickly branches on a black background. sharp cracks and monsters. halloween

abstract aztec backdrop background black branch branches contour contours cracks dark decor decorative design elements ethnic fabric forest freehand frost frosty geometric graphic grunge halloween handdrawn ice illustration ink line monsters nature ornament outline paper pattern prickly print rough scattered seamless sharp silhouette silhouettes sketch textile texture textured tree tribal vector vintage wallpaper white wrapping